Material Compliance
Supporting reference for the BPIR Declaration — material grades vs. AS/NZS standards. Document reference KNF-MAT-2026-05.
This statement supports the BPIR declaration for all products supplied by Kiwi Nails Fasteners Ltd. It cross-references the material grades used in our product range against the relevant Australian / New Zealand Standards and the durability zones in E2/AS1.
| Trade name | Specification | Standard | Durability zone (E2/AS1) |
|---|---|---|---|
| Bright steel | Low carbon steel, mill-bright finish, untreated | AS 1397 (base) | Internal / dry only |
| HD Galvanised | Hot-dip galvanised, ≥45 μm zinc coating | AS/NZS 4680 | Zone B / C (sheltered exterior) |
| Stainless Steel 304 | X5CrNi18-10 austenitic stainless | AS 1449 / AISI 304 | Zone C / D (general exterior) |
| Stainless Steel 316 | X5CrNiMo17-12-2 austenitic stainless | AS 1449 / AISI 316 | Zone D (sea spray) |
| Silicon Bronze | CuSi3Mn1 wrought copper alloy | BS 2874 CZ128 | Zone D (marine) |
| Ruspert | Multi-layer Zn + ceramic + organic top coat | JIS H 8610 equivalent | Zone B / C (exterior structural) |
Steel and zinc raw materials are sourced from ISO 9001-certified mills and supplied to our own China-based fastener manufacturing line. Each consignment is inspected on arrival at our East Tamaki, Auckland warehouse for:
Inspection records and Mill Certificates are retained for seven (7) years per industry best practice.